NOTICE!
Risk of refrigerant escaping from cooling water circuit
Device damage
Before performing cleaning work and decommissioning the
device, or if there is a risk of freezing, drain the cooling
water circuit of the cooling unit using compressed air or
an industrial vacuum cleaner (watertight). To avoid dam-
aging the valve membrane during cleaning, only blow com-
pressed air into the inflow connector while using an indus-
trial vacuum cleaner to vacuum only from the outflow
connector.
The following information is only relevant for the Integral XT FC device:
n
When the flow control is deactivated, the pump pressure can be
increased or reduced via the pump levels.
n
When the through-flow control is deactivated, the pump pressure can
be limited via the pressure control.
n
For pressure-sensitive consumers (e.g. glass apparatus) with a maximum
permissible working pressure below the maximum pressure of the pump
(with Integral T pressure 3.5 bar, with Integral XT pressure 7.0 bar),
the hoses of the consumer must be laid in such a way that kinking or
squeezing is not possible. In addition, a separate safety valve must be
installed to protect against operating errors.
n
The device may only be moved once it has been drained. The device
must be taken out of operation to do this.
6.2 Operating modes
The device supports two operating modes.
n
In
Operation
mode, the components of the device are operational.
n
In
Standby
mode, all device component are switched off. Power is only
supplied to the display on the device. This operating mode is suitable for
adjusting multiple settings, for example.
A program that has been started is paused in
Standby
mode. After acti-
vating
Operation
mode, the program must be resumed again manually.
6.3 Control parameters for flow controller
A continuous valve and the pump power are used as actuating signals for
flow control unit. Both actuating signals can be parameterized via separate PI
controllers.
Only modify the control parameters if you possess adequate knowl-
edge of control system engineering.
Setting the control parameters
V4
Integral process thermostats with flow control unit
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